package cn.bsure.auth.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.store.redis.RedisTokenStore;

@Configuration
@EnableAuthorizationServer
public class OAuthConfiguration extends AuthorizationServerConfigurerAdapter {

	@Autowired
	private AuthenticationManager auth;

	@Autowired
	private RedisConnectionFactory redisConnectionFactory;

	@Bean
	public RedisTokenStore tokenStore() {
		return new RedisTokenStore(redisConnectionFactory);
	}

	@Override
	public void configure(AuthorizationServerSecurityConfigurer oauthServer) throws Exception {
		oauthServer.tokenKeyAccess("permitAll()").checkTokenAccess("isAuthenticated()");
	}

	@Override
	public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
		endpoints.authenticationManager(auth).tokenStore(tokenStore());
	}

	@Override
	public void configure(ClientDetailsServiceConfigurer clients) throws Exception {

		clients.inMemory().withClient("client").secret("secret").authorizedGrantTypes("password", "refresh_token")
				.scopes("read", "write").accessTokenValiditySeconds(3600) // 1 hour
				.refreshTokenValiditySeconds(2592000) // 30 days
				.and().withClient("svca-service").secret("password")
				.authorizedGrantTypes("client_credentials", "refresh_token").scopes("server", "read").and()
				.withClient("svcb-service").secret("password")
				.authorizedGrantTypes("client_credentials", "refresh_token").scopes("server", "read").and()
				.withClient("ui").secret("password").authorizedGrantTypes("authorization_code", "refresh_token")
				.scopes("read").autoApprove(true);
	}

}